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(*
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* IBX Test suite. This program is used to test the IBX non-visual
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* components and provides a semi-automated pass/fail check for each test.
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*
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* The contents of this file are subject to the Initial Developer's
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* Public License Version 1.0 (the "License"); you may not use this
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* file except in compliance with the License. You may obtain a copy
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* of the License here:
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*
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* http://www.firebirdsql.org/index.php?op=doc&id=idpl
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing rights
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* and limitations under the License.
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*
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* The Initial Developer of the Original Code is Tony Whyman.
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*
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* The Original Code is (C) 2021 Tony Whyman, MWA Software
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* (http://www.mwasoftware.co.uk).
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*
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* All Rights Reserved.
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*
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* Contributor(s): ______________________________________.
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*
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*)
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unit Test21;
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{$mode objfpc}{$H+}
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{Test 21: Big dataset test}
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{ create a 100,000 record database.
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read it back and check for errors using an MD5 message digest.
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}
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interface
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uses
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Classes, SysUtils, TestApplication, IBXTestBase, IB, IBSQL;
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const
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aTestID = '21';
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aTestTitle = 'Big dataset test';
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type
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{ TTest21 }
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TTest21 = class(TIBXTestBase)
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private
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FIBSQL: TIBSQL;
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function StuffDatabase: TMsgHash;
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function ReadDatabase: TMsgHash;
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protected
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procedure CreateObjects(Application: TTestApplication); override;
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function GetTestID: AnsiString; override;
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function GetTestTitle: AnsiString; override;
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procedure InitTest; override;
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public
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procedure RunTest(CharSet: AnsiString; SQLDialect: integer); override;
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end;
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implementation
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uses DateUtils;
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const
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testText = 'The quick brown fox jumped over the lazy dog';
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RecordCount = 100000;
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{ TTest21 }
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function TTest21.StuffDatabase: TMsgHash;
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var i: integer;
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HashString: AnsiString;
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Started: TDateTime;
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begin
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Started := Now;
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Result := TMsgHash.CreateMsgHash;
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writeln(Outfile,'Loading data into database table. Started at ',DateTimeToStr(Started));
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IBTransaction.Active := true;
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for i := 1 to RecordCount do
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with FIBSQL do
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begin
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Params[0].AsInteger := i;
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Params[1].AsString := DateTimeToStr(Now) + testText + testText + testText + testText;
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Params[2].AsDateTime := Now;
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HashString := Params[0].Asstring + Params[1].AsString + DateTimeToStr(Params[2].AsDateTime);
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ExecQuery;
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Result.AddText(HashString);
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end;
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IBTransaction.Commit;
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Result.Finalise;
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writeln(OutFile, 'Data load completed at ',DateTimeToStr(Now), ' Elapsed Time = ',
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(MilliSecondsBetween(Now,Started)),' ms, ',RecordCount,' records loaded');
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writeln(Outfile,' Message Hash = ',Result.Digest);
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end;
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function TTest21.ReadDatabase: TMsgHash;
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var Started: TDateTime;
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HashString: AnsiString;
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Count: integer;
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begin
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Result := TMsgHash.CreateMsgHash;
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IBTransaction.Active := true;
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Started := Now;
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Count := 0;
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writeln(Outfile,'Database Read started at ',DateTimeToStr(Started));
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with IBQuery do
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begin
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Active := true;
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while not EOF do
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begin
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Inc(Count);
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HashString := Fields[0].AsString + Fields[1].AsString + DateTimeToStr(Fields[2].AsDateTime);
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Result.AddText(HashString);
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Next;
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end;
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end;
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writeln(OutFile, 'Read Dataset completed at ',DateTimeToStr(Now), ' Elapsed Time = ',
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(MilliSecondsBetween(Now,Started)), ' ms, ',Count,' records read');
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Result.Finalise;
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writeln(Outfile,' Message Hash = ',Result.Digest);
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end;
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procedure TTest21.CreateObjects(Application: TTestApplication);
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begin
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inherited CreateObjects(Application);
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FIBSQL := TIBSQL.Create(Application);
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with FIBSQL do
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begin
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Database := IBDatabase;
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Transaction := IBTransaction;
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SQL.Text := 'Insert into LotsOfData(RowID,Mytext,theDate) Values(?,?,?)';
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ParamCheck := false;
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end;
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IBQuery.SQL.Text := 'Select RowID,MyText,theDate from LotsOfData';
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end;
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function TTest21.GetTestID: AnsiString;
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begin
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Result := aTestID;
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end;
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function TTest21.GetTestTitle: AnsiString;
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begin
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Result := aTestTitle;
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end;
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procedure TTest21.InitTest;
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begin
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IBDatabase.DatabaseName := Owner.GetNewDatabaseName;
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IBDatabase.CreateIfNotExists := true;
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ReadWriteTransaction;
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end;
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procedure TTest21.RunTest(CharSet: AnsiString; SQLDialect: integer);
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var InHash,OutHash: TMsgHash;
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begin
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IBDatabase.CreateDatabase;
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try
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InHash := StuffDatabase; {This creates a database holding a large 100,000 record table}
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try
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OutHash := ReadDatabase;
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try
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if InHash.SameHash(OutHash) then
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writeln(Outfile,'Test Completed successfully')
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else
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writeln(Outfile,'Test failed. Message checksum error');
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writeln(Outfile,DateTimeToStr(Now),' Test ',aTestID,' passes as long as the checksums are identical');
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finally
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OutHash.Free;
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end;
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finally
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Inhash.Free;
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end;
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finally
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IBDatabase.DropDatabase;
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end;
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end;
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initialization
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RegisterTest(TTest21);
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end.
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